ツリーマップ
Contents
5. ツリーマップ¶
5.1. 概要¶
5.2. Plotlyによる作図方法¶
5.3. MADB Labを用いた作図例¶
5.3.1. 下準備¶
import pandas as pd
import plotly.express as px
import warnings
warnings.filterwarnings('ignore')
# 前処理の結果，以下に分析対象ファイルが格納されていることを想定
PATH_DATA = '../../data/preprocess/out/episodes.csv'
# Jupyter Book用のPlotlyのrenderer
RENDERER = 'plotly_mimetype+notebook'
def show_fig(fig):
"""Jupyter Bookでも表示可能なようRendererを指定"""
fig.update_layout(margin=dict(t=50, l=25, r=25, b=25))
fig.show(renderer=RENDERER)
def add_years_to_df(df, unit_years=10):
"""unit_years単位で区切ったyears列を追加"""
df_new = df.copy()
df_new['years'] = \
pd.to_datetime(df['datePublished']).dt.year \
// unit_years * unit_years
df_new['years'] = df_new['years'].astype(str)
return df_new
df = pd.read_csv(PATH_DATA)
5.3.2. 雑誌別・年代別の合計作品数¶
col_count = 'cname'
# 1年単位で区切ったyearsを追加
df = add_years_to_df(df, 10)
# mcname, yearsで集計
df_plot = \
df.groupby(['mcname', 'years'])[col_count].\
nunique().reset_index()
df_plot = \
df_plot.sort_values(['years', 'mcname'], ignore_index=True)
fig = px.treemap(
df_plot, path=[px.Constant('all'), 'mcname', 'years'],
values=col_count)
fig.update_traces(root_color='lightgrey')
show_fig(fig)
5.3.3. 雑誌別・作品別の合計連載週数¶
df_plot = \
df.groupby('mcname')['cname'].value_counts().\
reset_index(name='weeks')
# 描画用に10週以上の作品に絞る
df_plot = df_plot[df_plot['weeks']>=10].reset_index(drop=True)
fig = px.treemap(
df_plot, path=[px.Constant('all'), 'mcname', 'cname'],
values='weeks')
fig.update_traces(root_color='lightgrey')
show_fig(fig)
5.3.4. 雑誌別・年代別の合計作者数¶
col_count = 'creator'
# 1年単位で区切ったyearsを追加
df = add_years_to_df(df, 10)
# mcname, yearsで集計
df_plot = \
df.groupby(['mcname', 'years'])[col_count].\
nunique().reset_index()
df_plot = \
df_plot.sort_values(['years', 'mcname'], ignore_index=True)
fig = px.treemap(
df_plot, path=[px.Constant('all'), 'mcname', 'years'],
values=col_count)
fig.update_traces(root_color='lightgrey')
show_fig(fig)
5.3.5. 雑誌別・作者別の合計連載週数¶
df_plot = \
df.groupby('mcname')['creator'].value_counts().\
reset_index(name='weeks')
# 描画用に10週以上の作者に絞る
df_plot = df_plot[df_plot['weeks']>=10].reset_index(drop=True)
fig = px.treemap(
df_plot, path=[px.Constant('all'), 'mcname', 'creator'],
values='weeks')
fig.update_traces(root_color='lightgrey')
show_fig(fig)